/*
 * Copyright (C) 2009 Leandro Aparecido <lehphyro@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.metalframework.samples.petclinic;

import javax.persistence.*;

@MappedSuperclass
public abstract class IdentifiedEntity extends BaseEntity implements Identified {

	private static final long serialVersionUID = 3902405163002431851L;
	
	private Long id;
	
	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	public Long getId() {
		return id;
	}
	
	public void setId(Long id) {
		this.id = id;
	}
	
	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((getId() == null) ? 0 : getId().hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}
		if (obj == null) {
			return false;
		}
		if (!(obj instanceof IdentifiedEntity)) {
			return false;
		}
		IdentifiedEntity other = (IdentifiedEntity) obj;
		if (getId() == null) {
			if (other.getId() != null) {
				return false;
			}
		} else if (!getId().equals(other.getId())) {
			return false;
		}
		return true;
	}

	@Override
	public String toString() {
		return "id=" + String.valueOf(getId());
	}
}
